320734630 has 16 divisors (see below), whose sum is σ = 607708080. Its totient is φ = 121541472.

The previous prime is 320734613. The next prime is 320734633. The reversal of 320734630 is 36437023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320734633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843849 + ... + 844228.

It is an arithmetic number, because the mean of its divisors is an integer number (37981755).

Almost surely, 2^320734630 is an apocalyptic number.

320734630 is a deficient number, since it is larger than the sum of its proper divisors (286973450).

320734630 is a wasteful number, since it uses less digits than its factorization.

320734630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688103.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 320734630 is about 17909.0655814311. The cubic root of 320734630 is about 684.5133951541.

The spelling of 320734630 in words is "three hundred twenty million, seven hundred thirty-four thousand, six hundred thirty".